From c19163812168c7a1ad4cb0b654f27bbcbdbff80e Mon Sep 17 00:00:00 2001
From: piro <piro@599a83e7-65a4-db11-8015-0010dcdd6dc2>
Date: Sun, 21 Oct 2007 06:47:40 +0000
Subject: [PATCH] =?UTF-8?q?=E3=82=BF=E3=83=96=E3=81=AE=E3=83=89=E3=83=AD?=
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git-svn-id: http://www.cozmixng.org/repos/piro/treestyletab/trunk@1258 599a83e7-65a4-db11-8015-0010dcdd6dc2
---
 content/treestyletab/treestyletab.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/content/treestyletab/treestyletab.js b/content/treestyletab/treestyletab.js
index e07d2821..78c7a781 100644
--- a/content/treestyletab/treestyletab.js
+++ b/content/treestyletab/treestyletab.js
@@ -1123,7 +1123,10 @@ catch(e) {
 			this.partTab(aTarget);
 		}
 		else if (aInfo.action & this.kACTION_ATTACH) {
-			this.attachTabTo(aTarget, aInfo.parent);
+			if (aInfo.parent)
+				this.attachTabTo(aTarget, aInfo.parent);
+			else
+				this.partTab(aTarget);
 		}
 		else {
 			return false;